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Can Any One Help Me With Mk3 Mondeo


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got this faults with my mk3 1.8 mondeo went to my car breakers and got two sensors put them in and reset my ecu and still the same

can any one help me please

PO135 oxygen sensor heater circuit malfunction in bank 1 sensor1

PO141 02 Sensor Heater Circuit Malfunction (bank 1 sensor 2)

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  • 2 weeks later...

without knowing the original symptoms we cannot help much.

but depending on your millage/age of car. it is possibly that it needs a new CAT? as this looks like an emmisions problem but we need to know what the reall issue was to begin with.

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